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Posted to issues@tez.apache.org by "Siddharth Seth (JIRA)" <ji...@apache.org> on 2016/01/13 00:17:39 UTC

[jira] [Commented] (TEZ-2978) Add an option to allow the SplitGrouper to generate node local only groups

    [ https://issues.apache.org/jira/browse/TEZ-2978?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15095187#comment-15095187 ] 

Siddharth Seth commented on TEZ-2978:
-------------------------------------

Committed to master. Test failures are unrelated. Thanks for the review.

> Add an option to allow the SplitGrouper to generate node local only groups
> --------------------------------------------------------------------------
>
>                 Key: TEZ-2978
>                 URL: https://issues.apache.org/jira/browse/TEZ-2978
>             Project: Apache Tez
>          Issue Type: Improvement
>            Reporter: Siddharth Seth
>            Assignee: Siddharth Seth
>             Fix For: 0.8.2
>
>         Attachments: TEZ-2978.1.txt, TEZ-2978.2.txt
>
>
> In certain cases, allowing the last few splits to be 'small' - smaller than the requested size is beneficial, and can end up creating fewer splits. Also this results in all splits having some form of locality information.



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